National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Hazardous Weather Conditions

Last Update: 939 PM EST SAT NOV 22 2014

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Coastal waters from Bonita Beach to Englewood FL out 20 NM

Marine Zone Forecast

IMPORTANT NOTICE TO MARINERS...MARINE FORECASTS ARE ISSUED AT LEAST FOUR TIMES A DAY. BOATERS ON EXTENDED TRIPS SHOULD ROUTINELY MONITOR SUBSEQUENT FORECAST ISSUANCES AND UPDATES FOR THE LATEST MARINE WEATHER INFORMATION. THE WAVE HEIGHTS ARE FORECAST AS SIGNIFICANT WAVE HEIGHT WHICH IS THE AVERAGE OF THE HIGHEST ONE-THIRD OF THE WAVES. THE HIGHEST WAVES MAY RARELY BE TWICE THE SIGNIFICANT WAVE HEIGHT. THE WINDS AND SEAS NEAR THUNDERSTORMS MAY BE HIGHER THAN FORECAST.

...SMALL CRAFT EXERCISE CAUTION THROUGH SUNDAY AFTERNOON...

  • SynopsisA TIGHT PRESSURE GRADIENT BETWEEN HIGH PRESSURE OVER THE MID ATLANTIC STATES AND A DEVELOPING AREA OF LOW PRESSURE AND WARM FRONT OVER THE NORTHEAST GULF CONTINUES TO PRODUCE GUSTY SOUTHEAST WINDS ACROSS THE COASTAL WATERS. SMALL CRAFT CONDITIONS WILL CONTINUE THROUGH SUNDAY AFTERNOON FOR THE OUTER WATERS AND SMALL CRAFT EXERCISE CAUTION ELSEWHERE. WINDS AND SEAS WILL DROP BELOW CAUTIONARY LEVEL ON MONDAY OUT AHEAD OF AN APPROACHING COLD FRONT. IN THE WAKE OF THIS FRONT, THE WINDS WILL SHIFT TO THE NORTH AND INCREASE ONCE AGAIN TO ADVISORY LEVEL ON TUESDAY.
  • Rest Of Tonight Southeast winds 15 to 20 knots. Seas 2 to 3 feet. Bay and inland waters choppy. Isolated showers late in the evening...then scattered showers after midnight.
  • Sunday Southeast winds 15 to 20 knots then becoming south 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Bay and inland waters choppy. Scattered showers in the morning. Isolated thunderstorms in the afternoon.
  • Sunday Night South winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Patchy fog.
  • Monday South winds around 10 knots. Seas 2 feet. Bay and inland waters a light chop. Patchy fog.
  • Monday Night South winds around 5 knots. Seas 2 feet. Bay and inland waters smooth. A chance of showers.
  • Tuesday East winds around 10 knots. Seas 2 to 3 feet. Bay and inland waters a light chop. Showers likely and isolated thunderstorms.
  • Tuesday Night Northeast winds 5 to 10 knots then becoming north around 15 knots after midnight. Seas 2 to 3 feet. Bay and inland waters a moderate chop. Showers likely and isolated thunderstorms.
  • Wednesday North winds around 20 knots. Seas 4 to 6 feet. Bay and inland waters choppy. Showers likely and isolated thunderstorms.
  • Wednesday Night North winds around 20 knots diminishing to 10 to 15 knots after midnight. Seas 4 to 6 feet. Bay and inland waters choppy.
  • Thursday North winds 10 to 15 knots. Seas 2 to 4 feet. Bay and inland waters a moderate chop.



Additional Forecasts and Information

Zone Area Forecast for Coastal waters from Bonita Beach to Englewood FL out 20 NM
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